溶存酸素の三酸素同位体組成を利用した貧栄養・中栄養湖沼の総一次生産量定量

角皆 潤; 南 翔; 佐久間 博基; 大山 拓也; 小松 大祐; 中川 書子; 梅田 信; 田中 敦

doi:10.14862/geochemproc.61.0_36

Abstracts of Annual Meeting of the Geochemical Society of Japan

Session ID : 1C09

DOI https://doi.org/10.14862/geochemproc.61.0_36

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Host: Abstracts of Annual Meeting of the Geochemical Society of Japan

Vertical distribution of the triple oxygen isotopic compositions of DO in oligotrophic and mesotrophic environments

*Urumu Tsunogai, Sho Minami, Hiroki Sakuma, Takuya Ohyama, Daisuke D. Komatsu, Fumiko Nakagawa, Makoto Umeda, Atsushi Tanaka

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Keywords: dissolved oxygen, triple oxygen isotopes

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Abstract

In order to quantify the gross production rate of dissolved oxygen molecules (DO) in hydrosphere beneath thermocline, vertical distributions of the triple oxygen isotopic compositions of DO in oligotrophic/mesotrophic lakes were determined, together with their temporal variations.

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